twitches

Suddenly Guy, more by way of a nervous twitch than with malice aforethought, pulled the trigger.

盖伊突然扣动了扳机，但他并非有意开枪，只是因为太紧张，搐了一下。

The horse twitched its ears.

马动耳朵。

The level of voluntary activation and activation failure at the same angle was estimated by the twitch superimposition technique, using a 1 Hz supramaximal electrical stimulation.

在这些角下，自主徵召及徵召失败的程，是对股四头肌施以每秒一次的超强电刺激以搐上加技术来检测。